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Geosynthetics: A key toward sustainability
February 1st, 2009
By Robert Koerner Papers from two 2008 conferences prompted our thoughts vis-à-vis the important role that geosynthetics can, and should, play toward sustainability. The first conference was the 4th European Geosynthetics Conference (EuroGeo4) held in Edinburgh, Scotland, Sept. 7-10. The paper by Belton, et al.1 hit the sustainable issue head-on by illustrating how geotextiles and […]
PGI is now FGI
February 1st, 2009
Members of the PVC Geomembrane Institute (PGI) have voted to expand the range of membership to include those companies that fabricate geomembranes. The changes in membership composition necessitated a change in the name of the association: the PGI will be known as the Fabricated Geomembrane Institute (FGI). The FGI, like the PGI, is a nonprofit […]
15-year test offers variances between EPS and XPS
February 1st, 2009
ACH Foam Technologies announced in December the completion of a 15-year test to determine water absorption characteristics of EPS (expanded polystyrene) and XPS (extruded polystyrene). The test revealed variances between the two materials in their resistance to water absorption. The test of below-grade insulation, conducted by AFM Corp. (ACH Foam Technologies’ marketing and technical support […]
New ASTM standard for EPDM sheet material
February 1st, 2009
A new ASTM standard developed by ASTM International Committee D35 on Geosynthetics fills a need for an internationally recognized standard to ensure that EPDM sheet material received by customers is consistent regardless of the manufacturer. The new standard, D7465, Specification for Ethylene Propylene Diene Terpolymer (EPDM) Sheet Used in Geomembrane Applications, is under the jurisdiction […]
SE Chapter/IECA holds training days
February 1st, 2009
The International Erosion Control Association’s Southeast Chapter held its first South Carolina Training and Field Days last fall. Nearly 200 attendees took part during the 2-day event in Anderson, S.C. Day 1 included classroom training and exhibits focussing on stormwater and erosion-control topics. Day 2 featured a visit to TRI/Environmental’s commercial testing facility, which offers […]
Reinforced roads needed at wind farm
February 1st, 2009
A massive wind farm project just south of Glasgow, Scotland, eventually will have 140 2.3-megawatt turbines in operation. But before the turbines could be erected, construction roads over peaty soils had to be built. “We lay a geotextile mat and geogrid reinforcements across the peat before creating the road,” said Anthony Windle, project manager for […]
Seaman Corp. invests $7 million in Tennessee plant
February 1st, 2009
Seaman Corp., based in Wooster, Ohio, has made a $7 million commitment for improvements at its Bristol, Tenn., manufacturing plant. About $4 million is designated for the design and installation of a state-of-the-art coating line for primer application, according to the company. The balance of around $3 million will be used for mixing equipment, and […]
Geosynthetics cited for best technical articles
February 1st, 2009
Geosynthetics magazine received both the Gold and Silver medals for Best Technical Article at the Excellence Awards presented in Minneapolis by the Minnesota Magazine and Publications Association (MMPA). “Using geosynthetics to rehabilitate Fisher Cañon Dam and Reservoir” was judged the winner of the Gold 1st-place award for Best Technical Article, announced Nov. 6 by the […]
Still further comment about the impact of water
February 1st, 2009
I read with interest the exchange between Gordon Stevens with Maccaferri and Michael Adams with FHWA in your August/September “Letters to the editor” section about the use of woven geotextiles for soil reinforcement in MSE structures. While the geosynthetics industry has a great deal of respect for Mr. Adams, what we have here is an […]
GCL shrinkage: A possible solution
February 1st, 2009
By Richard Thiel and Chris Thiel Introduction A potential industry-wide concern for GCL shrinkage was identified by Thiel and Richardson (2005) at the January 2005 Geo-Frontiers conference in Austin, Texas, based on observed problems at several sites worldwide. All of the known problems were for installations where an exposed geomembrane/GCL composite installation was left unballasted […]